To change the Bios Setting you need an USB⌨️keyboard. Here is the keyboard shortcut list 👉How to enter the Bios and Setup the boot option .

Boot the device and ⌨️press F2 key enter the Bios.

➡️ OEM

➡️ Others Setting

➡️ OS Selection –>

➡️ Windows 8.x
➡️ Android
➡️ Windows 7

⌨️Press F10 ➡️ Yes, Save & Exit. If you can not enter the Windows desktop or Linux after the OS installed, change this option may work.